Light-Based Printing of Leachable Salt Molds for Facile Shaping of Complex Structures.
additive manufacturing
sacrificial templating
salt printing
stereolithography
Journal
Advanced materials (Deerfield Beach, Fla.)
ISSN: 1521-4095
Titre abrégé: Adv Mater
Pays: Germany
ID NLM: 9885358
Informations de publication
Date de publication:
Aug 2022
Aug 2022
Historique:
revised:
09
06
2022
received:
29
04
2022
pubmed:
23
6
2022
medline:
23
6
2022
entrez:
22
6
2022
Statut:
ppublish
Résumé
3D printing is a powerful manufacturing technology for shaping materials into complex structures. While the palette of printable materials continues to expand, the rheological and chemical requisites for printing are not always easy to fulfill. Here, a universal manufacturing platform is reported for shaping materials into intricate geometries without the need for their printability, but instead using light-based printed salt structures as leachable molds. The salt structures are printed using photocurable resins loaded with NaCl particles. The printing, debinding, and sintering steps involved in the process are systematically investigated to identify ink formulations enabling the preparation of crack-free salt templates. The experiments reveal that the formation of a load-bearing network of salt particles is essential to prevent cracking of the mold during the process. By infiltrating the sintered salt molds and leaching the template in water, complex-shaped architectures are created from diverse compositions such as biomedical silicone, chocolate, light metals, degradable elastomers, and fiber composites, thus demonstrating the universal, cost-effective, and sustainable nature of this new manufacturing platform.
Identifiants
pubmed: 35731018
doi: 10.1002/adma.202203878
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2203878Informations de copyright
© 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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